<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        #a {
            background-color: #0096dc;
        }

        .el-page-header__content {
            color: white;
            font-weight: bold;
        }
    </style>
</head>
<body>
<div id="app">
    <el-page-header style="line-height: 60px;color: white" id="a" @back="goBack" content="修改商品">
    </el-page-header>

    <el-card style="width: 600px;height: 800px;margin: 0 auto">
        <el-form label-width="80px">
            <el-form-item label="商品标题">
                <el-input type="text" v-model="p.title"></el-input>
            </el-form-item>
            <el-form-item label="商品价格">
                <el-input type="text" v-model="p.price"></el-input>
            </el-form-item>
            <el-form-item label="商品原价">
                <el-input type="text" v-model="p.oldPrice"></el-input>
            </el-form-item>
            <el-form-item label="商品销量  ">
                <el-input type="text" v-model="p.saleCount"></el-input>
            </el-form-item>
            <el-form-item label="商品库存">
                <el-input type="text" v-model="p.num"></el-input>
            </el-form-item>
            <el-form-item label="商品分类">
                <el-select v-model="p.categoryId">
                    <el-option v-for="c in categoryArr" :label="c.name" :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>
            <el-form-item label="商品图片">
                <img :src="v.oldURL" width="100" height="100" v-if="isShow" alt="">
                <el-upload
                        action="/upload"
                        name="pic"
                        limit="1"
                        list-type="picture-card"
                        :on-success="handleSuccess"
                        :on-preview="handlePictureCardPreview"
                        :on-remove="handleRemove">
                    <i class="el-icon-plus"></i>
                </el-upload>
                <el-dialog :visible.sync="dialogVisible">
                    <img width="100%" :src="dialogImageUrl" alt="">
                </el-dialog>
            </el-form-item>
            <el-form-item>
                <el-button type="success" @click="update()">修改商品</el-button>
            </el-form-item>
        </el-form>
    </el-card>


</div>
</body>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function () {
            return {
                dialogImageUrl: '',
                dialogVisible: false,
                p: {
                    title: "",
                    price: "",
                    oldPrice: "",
                    saleCount: "",
                    num: "",
                    categoryId: "",
                    url: ""
                },
                oldURL: "",
                categoryArr: [],
                isShow: true,
            }
        },
        methods: {
            goBack() {
                history.back();
            },
            handleRemove(file, fileList) {
                console.log(file, fileList)
                axios.get("/remove?url=" + v.p.url).then(function (r) {
                    v.$message("服务器删除完成")
                    v.p.url = "";
                    v.isShow = true;
                })
            },
            handlePictureCardPreview(file) {
                this.dialogImageUrl = file.url;
                this.dialogVisible = true;
            },
            handleSuccess(respose, file, fileList) {
                v.p.url = respose;
                v.isShow = false;
            },
            update() {
                if (v.p.url == "") {
                    v.$message.error("请选择图片")
                    return;
                }
                axios.post("/product/update",v.p).then(function (r) {
                    location.href = "/admin.html"
                })
            }
        },
        created: function () {
            axios.get("/categroy/select").then(function (r) {
                v.categoryArr = r.data;
            }),

                axios.get("/product/selectById/update" + location.search).then(function (r) {
                    v.p = r.data;
                    v.oldURL = v.p.url
                })
        }
    })
</script>
</html>